@jianzhong
Here is the solution:https://community.windy.com/topic/4355/how-to-share-animation
The 1rst solution is only suitable if you have your own webpage.
The 2nd solution is the best, by copy-paste the URL.
There is a 3rd solution, just making a screenshot and sending the image to your friends, but you will only get the forecast at a given time (not an animation)